DAVID

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Dual-Chamber and VVI Implantable Defibrillator. A multicenter study comparing dual-chamber (DDDR) implantable cardioverter-defibrillator (ICD) therapy with single-chamber (VVI) ICD therapy in patients with low ejection fractions (40%) and standard ICD indications
Conclusions Dual chamber rate responsive pacing as compared with ventricular backup-only pacing worsens the combined end point of mortality and heart failure-related hospitalization
References in periodicals archive ?
Which prompted this from DavidH in response: "HuddersFax_resident, I suggest you read my comment again.
MPs accept free first class travel from Grand Central DavidH was a tad apathetic: "I don't care if MPs are influenced.
DavidH wasn't happy either: "Cannot see how this new system is fair - family with one earning pounds 45k will get nothing, family with two earning pounds 35k EACH still gets the allowance